[RBW] Re: I'm going to draw my own frame! Who else will follow along?
OK, Pondero, for what it's worth, here's my stick figure: http://www.flickr.com/photos/45758...@n04/4856880566/ I realize the lines are not dark enough to see all that clearly. I merely guessed at tubing diameters. I think I put the downtube too low where it hits the headtube, so the front wheel is closer to the downtube than it really would be in real life. Doing this excercise made me realize that the downtube and lower head lug are the very last thing to fall in to place. They just end up where they end up. Numbers: My PBH: 87cm ST length 58cm c-to-t Virtual TT length 58cm HT and ST angles 72 Trail 60mm with 584x41 tire Standover 840mm with 584x41tire TT upslope 2 degrees Bartops and saddle level with saddle height at 75cm and Nitto Pearl stem If I get this built, it'll be 130mm spaced. I'll have fender braze ons, and a way to mount a handlebar bag support. Now all I need to do to be ready for PBP 2015 is ride 20,000km! On Aug 2, 10:44 am, Pondero cj.spin...@gmail.com wrote: Excellent! Now scan it and show the rest of us. It's critique time. Seriously, your approach sounds exactly like what I would do, and I'd love to see it. On Aug 2, 12:35 pm, William tapebu...@gmail.com wrote: I went ahead and worked ahead. Grant had us up to seat tube angle. I did chainstay next, and then seat tube length, which allowed me to connect the dots for my seatstays. Then I marked my saddle height and drew a level line from the saddle to the front end. I knew I wanted to be able to get the bars and saddle level with a Nitto Pearl stem. I ended up with a slightly sloping top tube (more slope than a Hilsen, less than a Bomba/Hillborne) and still had my standover at a comfortable level. Then I dropped the headtube angle to the ground and pulled back the trail, which positioned my front hub and established fork rake. I went ahead with the compass and spun the wheels in, and from that marked where I want the brake bridges. I kind of guessed where the downtube meets the headtube. But the thing is drawn. It's basically a slightly modified 58cm 650B Hilsen/ Saluki. On Jul 28, 10:00 am, William tapebu...@gmail.com wrote: I think Laney College here in Oakland did aframebuilding class, as well as The Crucible, which is a vocational arts school with every kind of heat based trade (glass, welding, blacksmithing, etc). Maybe I should look into that. On Jul 27, 9:08 pm, Bill Gibson bill.bgib...@gmail.com wrote: I took a welding class (Welding for Artists, or something like that) at the local community college a few years ago and got to try everything and developed instant respect for the simplest welds in my life. I got to try both gas and electric and gas brazing and plasma cutting, and it's on my list. But teaching school science starting last week, 6 weeks too soon for me -maybe it's time to retire and ride and make bikes and whittle spoons and kuksas...need to gather school supplies... On Tue, Jul 27, 2010 at 8:26 PM, Steve sring...@gmail.com wrote: I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No matter; he loves the bike. I spent about twelve Sundays building this and loved every minute of it. If you can spare the time and cash, do it. Steve Ames, IA On Jul 27, 1:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how todrawa bikeframein his little step by step way. I'm going to follow along. I want a custom framethat somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/rbw-owners-bunch?hl=en. --
[RBW] Re: I'm going to draw my own frame! Who else will follow along?
You've got to expect the odd number mishap! I had various versions, broken down into different-sized steps. Sorrya bout dat. All I can assure you is that in general, the numbers will get larger, more or less, as the lesson progresses. If all goes according to plan. Sidebar to all this: I'm working on a custom design now that is more challenging than most, and my CAD program wasn't giving me all the answers I wanted. It's not AutoCad, and I know AutoCad would have, but it's what I got and it's good for lots of things and exactness, but in this one instance my pencil drawing told me something my Caddy didn't...because I could extend lines and see angles differently. Plus, it is slighly more satisfying. Then back to Caddy for the final. In the real world where I live, where I design a frame in all its sizes for production, I send my drawings or numbers (derived from them) off to the maker-maker, and they have their own drawing programs. They put the info into theirs, send back drawings for review etc, and so smother mine...except that theirs are just their interpretation of mine, and then if the numbers are right, it's a go. I think Tarek mentioned something like this in the old Bstone catalogue. Scary memory, but yes. This one will be more complete, especially at the fork area. That's a trickier part, and is especially tricker with lugs...but I'm not going to go into all the details there. Not that important, and the thing we're doing here will still have served its purpose. Which isI'm not sure. No harm is the goal! G G On Aug 2, 6:25 pm, Johnny Alien johnnyal...@verizon.net wrote: OK...that says step 3 on it so I assume it is just a number mishap. On Aug 2, 8:39 pm, William tapebu...@gmail.com wrote: Step 4 was seat tube angle: http://www.rivbike.com/assets/payloads/336/original_n4_seat_tube_angl... On Aug 2, 5:37 pm, Johnny Alien johnnyal...@verizon.net wrote: Did I miss step 4 somewhere? I had the PDF with step 3 and then the next one was step 5. Was that just an error? On Aug 2, 1:44 pm, Pondero cj.spin...@gmail.com wrote: Excellent! Now scan it and show the rest of us. It's critique time. Seriously, your approach sounds exactly like what I would do, and I'd love to see it. On Aug 2, 12:35 pm, William tapebu...@gmail.com wrote: I went ahead and worked ahead. Grant had us up to seat tube angle. I did chainstay next, and then seat tube length, which allowed me to connect the dots for my seatstays. Then I marked my saddle height and drew a level line from the saddle to the front end. I knew I wanted to be able to get the bars and saddle level with a Nitto Pearl stem. I ended up with a slightly sloping top tube (more slope than a Hilsen, less than a Bomba/Hillborne) and still had my standover at a comfortable level. Then I dropped the headtube angle to the ground and pulled back the trail, which positioned my front hub and established fork rake. I went ahead with the compass and spun the wheels in, and from that marked where I want the brake bridges. I kind of guessed where the downtube meets the headtube. But the thing is drawn. It's basically a slightly modified 58cm 650B Hilsen/ Saluki. On Jul 28, 10:00 am, William tapebu...@gmail.com wrote: I think Laney College here in Oakland did aframebuilding class, as well as The Crucible, which is a vocational arts school with every kind of heat based trade (glass, welding, blacksmithing, etc). Maybe I should look into that. On Jul 27, 9:08 pm, Bill Gibson bill.bgib...@gmail.com wrote: I took a welding class (Welding for Artists, or something like that) at the local community college a few years ago and got to try everything and developed instant respect for the simplest welds in my life. I got to try both gas and electric and gas brazing and plasma cutting, and it's on my list. But teaching school science starting last week, 6 weeks too soon for me -maybe it's time to retire and ride and make bikes and whittle spoons and kuksas...need to gather school supplies... On Tue, Jul 27, 2010 at 8:26 PM, Steve sring...@gmail.com wrote: I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No
[RBW] Re: I'm going to draw my own frame! Who else will follow along?
I went ahead and worked ahead. Grant had us up to seat tube angle. I did chainstay next, and then seat tube length, which allowed me to connect the dots for my seatstays. Then I marked my saddle height and drew a level line from the saddle to the front end. I knew I wanted to be able to get the bars and saddle level with a Nitto Pearl stem. I ended up with a slightly sloping top tube (more slope than a Hilsen, less than a Bomba/Hillborne) and still had my standover at a comfortable level. Then I dropped the headtube angle to the ground and pulled back the trail, which positioned my front hub and established fork rake. I went ahead with the compass and spun the wheels in, and from that marked where I want the brake bridges. I kind of guessed where the downtube meets the headtube. But the thing is drawn. It's basically a slightly modified 58cm 650B Hilsen/ Saluki. On Jul 28, 10:00 am, William tapebu...@gmail.com wrote: I think Laney College here in Oakland did aframebuilding class, as well as The Crucible, which is a vocational arts school with every kind of heat based trade (glass, welding, blacksmithing, etc). Maybe I should look into that. On Jul 27, 9:08 pm, Bill Gibson bill.bgib...@gmail.com wrote: I took a welding class (Welding for Artists, or something like that) at the local community college a few years ago and got to try everything and developed instant respect for the simplest welds in my life. I got to try both gas and electric and gas brazing and plasma cutting, and it's on my list. But teaching school science starting last week, 6 weeks too soon for me -maybe it's time to retire and ride and make bikes and whittle spoons and kuksas...need to gather school supplies... On Tue, Jul 27, 2010 at 8:26 PM, Steve sring...@gmail.com wrote: I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No matter; he loves the bike. I spent about twelve Sundays building this and loved every minute of it. If you can spare the time and cash, do it. Steve Ames, IA On Jul 27, 1:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how todrawa bikeframein his little step by step way. I'm going to follow along. I want a custom framethat somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/rbw-owners-bunch?hl=en. -- Bill Gibson Tempe, Arizona, USA -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
[RBW] Re: I'm going to draw my own frame! Who else will follow along?
Did I miss step 4 somewhere? I had the PDF with step 3 and then the next one was step 5. Was that just an error? On Aug 2, 1:44 pm, Pondero cj.spin...@gmail.com wrote: Excellent! Now scan it and show the rest of us. It's critique time. Seriously, your approach sounds exactly like what I would do, and I'd love to see it. On Aug 2, 12:35 pm, William tapebu...@gmail.com wrote: I went ahead and worked ahead. Grant had us up to seat tube angle. I did chainstay next, and then seat tube length, which allowed me to connect the dots for my seatstays. Then I marked my saddle height and drew a level line from the saddle to the front end. I knew I wanted to be able to get the bars and saddle level with a Nitto Pearl stem. I ended up with a slightly sloping top tube (more slope than a Hilsen, less than a Bomba/Hillborne) and still had my standover at a comfortable level. Then I dropped the headtube angle to the ground and pulled back the trail, which positioned my front hub and established fork rake. I went ahead with the compass and spun the wheels in, and from that marked where I want the brake bridges. I kind of guessed where the downtube meets the headtube. But the thing is drawn. It's basically a slightly modified 58cm 650B Hilsen/ Saluki. On Jul 28, 10:00 am, William tapebu...@gmail.com wrote: I think Laney College here in Oakland did aframebuilding class, as well as The Crucible, which is a vocational arts school with every kind of heat based trade (glass, welding, blacksmithing, etc). Maybe I should look into that. On Jul 27, 9:08 pm, Bill Gibson bill.bgib...@gmail.com wrote: I took a welding class (Welding for Artists, or something like that) at the local community college a few years ago and got to try everything and developed instant respect for the simplest welds in my life. I got to try both gas and electric and gas brazing and plasma cutting, and it's on my list. But teaching school science starting last week, 6 weeks too soon for me -maybe it's time to retire and ride and make bikes and whittle spoons and kuksas...need to gather school supplies... On Tue, Jul 27, 2010 at 8:26 PM, Steve sring...@gmail.com wrote: I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No matter; he loves the bike. I spent about twelve Sundays building this and loved every minute of it. If you can spare the time and cash, do it. Steve Ames, IA On Jul 27, 1:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how todrawa bikeframein his little step by step way. I'm going to follow along. I want a custom framethat somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/rbw-owners-bunch?hl=en. -- Bill Gibson Tempe, Arizona, USA -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
[RBW] Re: I'm going to draw my own frame! Who else will follow along?
Step 4 was seat tube angle: http://www.rivbike.com/assets/payloads/336/original_n4_seat_tube_angle.pdf On Aug 2, 5:37 pm, Johnny Alien johnnyal...@verizon.net wrote: Did I miss step 4 somewhere? I had the PDF with step 3 and then the next one was step 5. Was that just an error? On Aug 2, 1:44 pm, Pondero cj.spin...@gmail.com wrote: Excellent! Now scan it and show the rest of us. It's critique time. Seriously, your approach sounds exactly like what I would do, and I'd love to see it. On Aug 2, 12:35 pm, William tapebu...@gmail.com wrote: I went ahead and worked ahead. Grant had us up to seat tube angle. I did chainstay next, and then seat tube length, which allowed me to connect the dots for my seatstays. Then I marked my saddle height and drew a level line from the saddle to the front end. I knew I wanted to be able to get the bars and saddle level with a Nitto Pearl stem. I ended up with a slightly sloping top tube (more slope than a Hilsen, less than a Bomba/Hillborne) and still had my standover at a comfortable level. Then I dropped the headtube angle to the ground and pulled back the trail, which positioned my front hub and established fork rake. I went ahead with the compass and spun the wheels in, and from that marked where I want the brake bridges. I kind of guessed where the downtube meets the headtube. But the thing is drawn. It's basically a slightly modified 58cm 650B Hilsen/ Saluki. On Jul 28, 10:00 am, William tapebu...@gmail.com wrote: I think Laney College here in Oakland did aframebuilding class, as well as The Crucible, which is a vocational arts school with every kind of heat based trade (glass, welding, blacksmithing, etc). Maybe I should look into that. On Jul 27, 9:08 pm, Bill Gibson bill.bgib...@gmail.com wrote: I took a welding class (Welding for Artists, or something like that) at the local community college a few years ago and got to try everything and developed instant respect for the simplest welds in my life. I got to try both gas and electric and gas brazing and plasma cutting, and it's on my list. But teaching school science starting last week, 6 weeks too soon for me -maybe it's time to retire and ride and make bikes and whittle spoons and kuksas...need to gather school supplies... On Tue, Jul 27, 2010 at 8:26 PM, Steve sring...@gmail.com wrote: I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No matter; he loves the bike. I spent about twelve Sundays building this and loved every minute of it. If you can spare the time and cash, do it. Steve Ames, IA On Jul 27, 1:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how todrawa bikeframein his little step by step way. I'm going to follow along. I want a custom framethat somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/rbw-owners-bunch?hl=en. -- Bill Gibson Tempe, Arizona, USA -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
[RBW] Re: I'm going to draw my own frame! Who else will follow along?
OK...that says step 3 on it so I assume it is just a number mishap. On Aug 2, 8:39 pm, William tapebu...@gmail.com wrote: Step 4 was seat tube angle: http://www.rivbike.com/assets/payloads/336/original_n4_seat_tube_angl... On Aug 2, 5:37 pm, Johnny Alien johnnyal...@verizon.net wrote: Did I miss step 4 somewhere? I had the PDF with step 3 and then the next one was step 5. Was that just an error? On Aug 2, 1:44 pm, Pondero cj.spin...@gmail.com wrote: Excellent! Now scan it and show the rest of us. It's critique time. Seriously, your approach sounds exactly like what I would do, and I'd love to see it. On Aug 2, 12:35 pm, William tapebu...@gmail.com wrote: I went ahead and worked ahead. Grant had us up to seat tube angle. I did chainstay next, and then seat tube length, which allowed me to connect the dots for my seatstays. Then I marked my saddle height and drew a level line from the saddle to the front end. I knew I wanted to be able to get the bars and saddle level with a Nitto Pearl stem. I ended up with a slightly sloping top tube (more slope than a Hilsen, less than a Bomba/Hillborne) and still had my standover at a comfortable level. Then I dropped the headtube angle to the ground and pulled back the trail, which positioned my front hub and established fork rake. I went ahead with the compass and spun the wheels in, and from that marked where I want the brake bridges. I kind of guessed where the downtube meets the headtube. But the thing is drawn. It's basically a slightly modified 58cm 650B Hilsen/ Saluki. On Jul 28, 10:00 am, William tapebu...@gmail.com wrote: I think Laney College here in Oakland did aframebuilding class, as well as The Crucible, which is a vocational arts school with every kind of heat based trade (glass, welding, blacksmithing, etc). Maybe I should look into that. On Jul 27, 9:08 pm, Bill Gibson bill.bgib...@gmail.com wrote: I took a welding class (Welding for Artists, or something like that) at the local community college a few years ago and got to try everything and developed instant respect for the simplest welds in my life. I got to try both gas and electric and gas brazing and plasma cutting, and it's on my list. But teaching school science starting last week, 6 weeks too soon for me -maybe it's time to retire and ride and make bikes and whittle spoons and kuksas...need to gather school supplies... On Tue, Jul 27, 2010 at 8:26 PM, Steve sring...@gmail.com wrote: I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No matter; he loves the bike. I spent about twelve Sundays building this and loved every minute of it. If you can spare the time and cash, do it. Steve Ames, IA On Jul 27, 1:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how todrawa bikeframein his little step by step way. I'm going to follow along. I want a custom framethat somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/rbw-owners-bunch?hl=en. -- Bill Gibson Tempe, Arizona, USA -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to
Re: [RBW] Re: I'm going to draw my own frame! Who else will follow along?
Actually the first PDF wasn't labeled with a number as it just showed the materials list (protractor, etc.) The second pdf was the first step in the actual drawing and so on from there... Aloha On Mon, Aug 2, 2010 at 3:25 PM, Johnny Alien johnnyal...@verizon.netwrote: OK...that says step 3 on it so I assume it is just a number mishap. On Aug 2, 8:39 pm, William tapebu...@gmail.com wrote: Step 4 was seat tube angle: http://www.rivbike.com/assets/payloads/336/original_n4_seat_tube_angl... On Aug 2, 5:37 pm, Johnny Alien johnnyal...@verizon.net wrote: Did I miss step 4 somewhere? I had the PDF with step 3 and then the next one was step 5. Was that just an error? On Aug 2, 1:44 pm, Pondero cj.spin...@gmail.com wrote: Excellent! Now scan it and show the rest of us. It's critique time. Seriously, your approach sounds exactly like what I would do, and I'd love to see it. On Aug 2, 12:35 pm, William tapebu...@gmail.com wrote: I went ahead and worked ahead. Grant had us up to seat tube angle. I did chainstay next, and then seat tube length, which allowed me to connect the dots for my seatstays. Then I marked my saddle height and drew a level line from the saddle to the front end. I knew I wanted to be able to get the bars and saddle level with a Nitto Pearl stem. I ended up with a slightly sloping top tube (more slope than a Hilsen, less than a Bomba/Hillborne) and still had my standover at a comfortable level. Then I dropped the headtube angle to the ground and pulled back the trail, which positioned my front hub and established fork rake. I went ahead with the compass and spun the wheels in, and from that marked where I want the brake bridges. I kind of guessed where the downtube meets the headtube. But the thing is drawn. It's basically a slightly modified 58cm 650B Hilsen/ Saluki. On Jul 28, 10:00 am, William tapebu...@gmail.com wrote: I think Laney College here in Oakland did aframebuilding class, as well as The Crucible, which is a vocational arts school with every kind of heat based trade (glass, welding, blacksmithing, etc). Maybe I should look into that. On Jul 27, 9:08 pm, Bill Gibson bill.bgib...@gmail.com wrote: I took a welding class (Welding for Artists, or something like that) at the local community college a few years ago and got to try everything and developed instant respect for the simplest welds in my life. I got to try both gas and electric and gas brazing and plasma cutting, and it's on my list. But teaching school science starting last week, 6 weeks too soon for me -maybe it's time to retire and ride and make bikes and whittle spoons and kuksas...need to gather school supplies... On Tue, Jul 27, 2010 at 8:26 PM, Steve sring...@gmail.com wrote: I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No matter; he loves the bike. I spent about twelve Sundays building this and loved every minute of it. If you can spare the time and cash, do it. Steve Ames, IA On Jul 27, 1:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how todrawa bikeframein his little step by step way. I'm going to follow along. I want a custom framethat somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.comrbw-owners-bunch%2bunsubscr...@googlegroups.com . For more options, visit this group athttp:// groups.google.com/group/rbw-owners-bunch?hl=en.
Re: [RBW] Re: I'm going to draw my own frame! Who else will follow along?
Whoops, now I see what you mean. I guess the numbering caught up to itself. :-) Just ignore my last post. Sigh. Bob On Mon, Aug 2, 2010 at 3:29 PM, Robert F. Harrison rfharri...@gmail.comwrote: Actually the first PDF wasn't labeled with a number as it just showed the materials list (protractor, etc.) The second pdf was the first step in the actual drawing and so on from there... Aloha On Mon, Aug 2, 2010 at 3:25 PM, Johnny Alien johnnyal...@verizon.netwrote: OK...that says step 3 on it so I assume it is just a number mishap. On Aug 2, 8:39 pm, William tapebu...@gmail.com wrote: Step 4 was seat tube angle: http://www.rivbike.com/assets/payloads/336/original_n4_seat_tube_angl. .. On Aug 2, 5:37 pm, Johnny Alien johnnyal...@verizon.net wrote: Did I miss step 4 somewhere? I had the PDF with step 3 and then the next one was step 5. Was that just an error? On Aug 2, 1:44 pm, Pondero cj.spin...@gmail.com wrote: Excellent! Now scan it and show the rest of us. It's critique time. Seriously, your approach sounds exactly like what I would do, and I'd love to see it. On Aug 2, 12:35 pm, William tapebu...@gmail.com wrote: I went ahead and worked ahead. Grant had us up to seat tube angle. I did chainstay next, and then seat tube length, which allowed me to connect the dots for my seatstays. Then I marked my saddle height and drew a level line from the saddle to the front end. I knew I wanted to be able to get the bars and saddle level with a Nitto Pearl stem. I ended up with a slightly sloping top tube (more slope than a Hilsen, less than a Bomba/Hillborne) and still had my standover at a comfortable level. Then I dropped the headtube angle to the ground and pulled back the trail, which positioned my front hub and established fork rake. I went ahead with the compass and spun the wheels in, and from that marked where I want the brake bridges. I kind of guessed where the downtube meets the headtube. But the thing is drawn. It's basically a slightly modified 58cm 650B Hilsen/ Saluki. On Jul 28, 10:00 am, William tapebu...@gmail.com wrote: I think Laney College here in Oakland did aframebuilding class, as well as The Crucible, which is a vocational arts school with every kind of heat based trade (glass, welding, blacksmithing, etc). Maybe I should look into that. On Jul 27, 9:08 pm, Bill Gibson bill.bgib...@gmail.com wrote: I took a welding class (Welding for Artists, or something like that) at the local community college a few years ago and got to try everything and developed instant respect for the simplest welds in my life. I got to try both gas and electric and gas brazing and plasma cutting, and it's on my list. But teaching school science starting last week, 6 weeks too soon for me -maybe it's time to retire and ride and make bikes and whittle spoons and kuksas...need to gather school supplies... On Tue, Jul 27, 2010 at 8:26 PM, Steve sring...@gmail.com wrote: I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No matter; he loves the bike. I spent about twelve Sundays building this and loved every minute of it. If you can spare the time and cash, do it. Steve Ames, IA On Jul 27, 1:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how todrawa bikeframein his little step by step way. I'm going to follow along. I want a custom framethat somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email
[RBW] Re: I'm going to draw my own frame! Who else will follow along?
I think Laney College here in Oakland did a frame building class, as well as The Crucible, which is a vocational arts school with every kind of heat based trade (glass, welding, blacksmithing, etc). Maybe I should look into that. On Jul 27, 9:08 pm, Bill Gibson bill.bgib...@gmail.com wrote: I took a welding class (Welding for Artists, or something like that) at the local community college a few years ago and got to try everything and developed instant respect for the simplest welds in my life. I got to try both gas and electric and gas brazing and plasma cutting, and it's on my list. But teaching school science starting last week, 6 weeks too soon for me -maybe it's time to retire and ride and make bikes and whittle spoons and kuksas...need to gather school supplies... On Tue, Jul 27, 2010 at 8:26 PM, Steve sring...@gmail.com wrote: I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No matter; he loves the bike. I spent about twelve Sundays building this and loved every minute of it. If you can spare the time and cash, do it. Steve Ames, IA On Jul 27, 1:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how to draw a bike frame in his little step by step way. I'm going to follow along. I want a custom frame that somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group athttp://groups.google.com/group/rbw-owners-bunch?hl=en. -- Bill Gibson Tempe, Arizona, USA -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
[RBW] Re: I'm going to draw my own frame! Who else will follow along?
Don't stop at drawing it, build it! I built my first frame this past spring, had a blast, learned a lot, and ended up with one of the nicest frames I've ever ridden! On Jul 27, 2:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how to draw a bike frame in his little step by step way. I'm going to follow along. I want a custom frame that somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
Re: [RBW] Re: I'm going to draw my own frame! Who else will follow along?
Pics please! I'm intrigued by this idea, and will try to follow along if I can make the time. We often debate the merits of hand drawing versus computer drawing versus Building Information Modeling in my office. We're using ArchiCAD for most of our projects now, but sometimes I think about chucking it all and going back to drawing with parallel rule, scale and triangles which, by the way, I still have from when I started architecture school in 1974, and work just as well as they did then. Rob in Seattle On Jul 27, 2010, at 3:55 PM, pruckelshaus wrote: Don't stop at drawing it, build it! I built my first frame this past spring, had a blast, learned a lot, and ended up with one of the nicest frames I've ever ridden! -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
[RBW] Re: I'm going to draw my own frame! Who else will follow along?
You might want to play around with BikeCAD, too. http://www.bikeforest.com/CAD/index.php# The full-featured version is expensive, but the on-line Java version is free and quite fun to play with. It can even model 650b wheels with 42 mm tires! Bill On Jul 27, 11:25 am, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how to draw a bike frame in his little step by step way. I'm going to follow along. I want a custom frame that somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
Re: [RBW] Re: I'm going to draw my own frame! Who else will follow along?
On Tue, Jul 27, 2010 at 6:55 PM, pruckelshaus pruckelsh...@gmail.com wrote: Don't stop at drawing it, build it! I built my first frame this past spring, had a blast, learned a lot, and ended up with one of the nicest frames I've ever ridden! I realize this is off-topic but Mike Flanigan of ANT bikes in massachussets offers a bike building class where you get one one one lessons and leave the class with a bike frame. I know at least one person who has taken this course and he really enjoyed it. http://antbikemike.wordpress.com/br-3/ -sv -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
Re: [RBW] Re: I'm going to draw my own frame! Who else will follow along?
On Tue, Jul 27, 2010 at 9:03 PM, Seth Vidal skvi...@gmail.com wrote: On Tue, Jul 27, 2010 at 6:55 PM, pruckelshaus pruckelsh...@gmail.com wrote: Don't stop at drawing it, build it! I built my first frame this past spring, had a blast, learned a lot, and ended up with one of the nicest frames I've ever ridden! I realize this is off-topic but Mike Flanigan of ANT bikes in massachussets offers a bike building class where you get one one one lessons and leave the class with a bike frame. I know at least one person who has taken this course and he really enjoyed it. http://antbikemike.wordpress.com/br-3/ Doug Fattic in Michigan also does framebuilding classes, in fact i think he's mostly teaching now and now building many frames. A friend here in town took the class last fall and made a beautiful road frame. I know other local builders will sometimes take on an apprentice, but there aren't that many who do regular classes. -- Bill Connell St. Paul, MN -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
[RBW] Re: I'm going to draw my own frame! Who else will follow along?
I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No matter; he loves the bike. I spent about twelve Sundays building this and loved every minute of it. If you can spare the time and cash, do it. Steve Ames, IA On Jul 27, 1:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how to draw a bike frame in his little step by step way. I'm going to follow along. I want a custom frame that somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
Re: [RBW] Re: I'm going to draw my own frame! Who else will follow along?
I took a welding class (Welding for Artists, or something like that) at the local community college a few years ago and got to try everything and developed instant respect for the simplest welds in my life. I got to try both gas and electric and gas brazing and plasma cutting, and it's on my list. But teaching school science starting last week, 6 weeks too soon for me -maybe it's time to retire and ride and make bikes and whittle spoons and kuksas...need to gather school supplies... On Tue, Jul 27, 2010 at 8:26 PM, Steve sring...@gmail.com wrote: I did this: signed up for a framebuilding class, measured my youngest son who needed a good road bike, and built a virtual clone of my Rambouillet. The only change I made was to increase the fender clearance slightly under the headtube and the seat stay bridge since my Ram frankly runs at the minimum usable clearance with 28mm tires. The lugged bike turned out to be spectacular: it handles, if you can believe this, slightly better than the Ram (although I suspect that my handling test was biased due to less weight in the front bag). No matter; he loves the bike. I spent about twelve Sundays building this and loved every minute of it. If you can spare the time and cash, do it. Steve Ames, IA On Jul 27, 1:25 pm, William tapebu...@gmail.com wrote: Grant is apparently going to teach us how to draw a bike frame in his little step by step way. I'm going to follow along. I want a custom frame that somewhat resembles a 58cm 650B A. Homer Hilsen. The critical differences will be that I want it 130mm spaced and want it to be a lighter frameset. I don't know if I'll ever get this frameset made, or whether it will be a Rivendell or an Ebisu or a Davidson or something else. But I'm looking forward to drawing it. I've done a fair amount of drafting table work in Engineering school, but never went ahead and drew a bike. Looking forward to it. -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en. -- Bill Gibson Tempe, Arizona, USA -- You received this message because you are subscribed to the Google Groups RBW Owners Bunch group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
